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FU25201a_e_A5 / Nov-07

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12.

Specifications

Power supply

: 18...30 V DC

Current consumption

: about 85 mA with 18 V, about 60 mA with 30 V

(input voltage 24 V, aux. output unloaded)

Aux. encoder supply

: +5.5V +/- 5% (max.: 250mA)

Inputs (RS422/TTL differential)

: RS422 compatible (differential level min. 1 V)

or TTL differential, f

max

= 1 MHz

Inputs TTL single-ended

: LOW < 0.5V, HIGH > 2.5V, f

max

= 200 kHz

Inputs HTL single-ended

: LOW < 3V, HIGH > 10V, f

max

= 200 kHz, (Ri=4,75

kOhms)

Input „Control“

: LOW < 3V, HIGH > 10V, min. pulse duration 5 msec.

Analogue outputs

: +/- 10V (external load > 5 kOhms)

0-20 mA / 4-20 mA (load < 270 Ohms)

Ac/-0.1%

Step width of analogue signals

: 1.25mV / 2.5uA

Analogue resolution

: 14 bits (+10V / +20mA respectively -10V/ -20mA)

Accuracy of frequency measurement

: 0.02 % +/- 1 digit

Response time of the analogue
output in normal operation

: approx. 1 msec (fin > 10 kHz); 1/fin (fin < 1 kHz)

(depending on Sampling Time and frequency)

Zero reset time of analogue signal
with sudden input interruption

: 5 msec (filter off), 700 msec. (max. filtering)

Temperature range

: Operation: 0° ... +45°C (+32 … +113°F)

Storage: -25° … +70°C (-13 … +158 °F)

Weight

: approx. 190 g

Conformity and standards

: EMC 89/336/EEC:

EN 61000-6-2

EN 61000-6-3

Содержание VSI 0.02

Страница 1: ...sion VSE Volumentechnik GmbH H nnestra e 49 58809 Neuenrade Germany Phone 49 0 2394 61630 Fax 49 0 2394 61633 E Mail info vse flow com Internet www vse flow com Operating Manual for flow meters of the...

Страница 2: ...iltering of liquid 7 Flow meters with high definition of volume measurement 8 Technical specifications of preamplifier 13 Plug assignment of preamplifier 14 Maintenance 14 Sending back of repairs and...

Страница 3: ...hapters may not be taken of these instructions at any time A missing operating instructions manual or missing pages must be replaced immediately VSE can supply you with new instructions or you can dow...

Страница 4: ...meters VSE is not liable for any damage ensuing from not following of these instructions Opening the devices during the term of guarantee is only authorised after consultation and approval of VSE Flo...

Страница 5: ...ted to the earth conductor PE e g connection via hoses If this is the case the meter has to be connected with the earth conductor PE Is there a continuous connection of the cable protective shielding...

Страница 6: ...oves measurement accuracy Fig 1 Flow meter installation with non return valve Flow meter size cast iron and 1 4305 Torque VSI 0 02 VSI 0 04 VSI 0 1 VSI 0 2 15 Nm VSI 0 4 VSI 1 VSI 2 35 Nm VSI 4 120 Nm...

Страница 7: ...pipes you must first carefully flush and clean the whole pipe line system and the tank To do this you have to mount a diversion plate onto the block or subplate instead of the flow meter so that the f...

Страница 8: ...ns that a part volume of 1 64 Vm from pulse flank to pulse flank for quadruple evaluation or flank count is measured or a full signal pulse is counted as part volume of 1 16 Vm pulse count see fig 3 i...

Страница 9: ...an be calculated The maximum frequency is then calculated according to the following formula fmax Maximum frequency of the flow meter signals Qmax Maximum flow attained in the case of application desc...

Страница 10: ...he volume mea surement Vm see table 4 column 4 in your evaluation electronics as parameter value e g multiplier The evaluation electronics then multiply every pulse the flow meter outputs by the volum...

Страница 11: ...12 0 00333333 300 000 20 000 0 16 0 0025 400 000 26 666 7 VSI 0 1 0 1 ml pulse 1 0 1 10 000 10 l min 10 000 ml min 166 67 ml s 1 666 7 Hz 1 666 7 2 0 05 20 000 3 333 3 3 0 03333333 30 000 5 000 0 4 0...

Страница 12: ...n 300000ml min 5 000 ml s 1 041 7 Hz 1 041 7 2 2 0 500 2 083 3 3 1 33333333 750 3 125 0 4 1 0 1 000 4 166 7 5 0 8 1 250 5 208 3 8 0 5 2 000 8 333 3 10 0 4 2 500 10 416 7 12 0 33333333 3 000 12 500 0 1...

Страница 13: ...x 40 to 150 should be used and a corresponding termination impedance connected to the evaluation electronics An optimal adjustment of the transmission line and the termination wave impedances can perm...

Страница 14: ...arth Plug assignment of preamplifier Important Only use well shielded cables for the connection cable with a wire cross section of 4 or 5 x 0 25 mm2 Please make sure that the housing of the round plug...

Страница 15: ...width repetition rate 1 1 15 max Preamplifier housing Aluminium Protection type IP 65 It is imperative that you enclose an exact description of the complaint ob jection or fault when returning the dev...

Страница 16: ...Q Flow resistance p Flow Q Flow resistance p Flow Q Flow Q Flow resistance p Flow Q Flow resistance p Flow Q Flow resistance p s Flow resistance p Flow Q Flow resistance p Flow Q Flow resistance p Fl...

Страница 17: ...63 5 80 38 34 17 96 x 2 62 4 0 5 0 1 130 100 101 M8 12 5 16 124 68 84 72 34 17 96 x 2 62 5 3 6 8 2 130 100 118 M8 15 16 141 85 84 72 34 17 96 x 2 62 6 7 8 4 4 180 140 145 M12 20 30 168 110 46 95 45 36...

Страница 18: ...4 0 1 0 2 G 1 4 G 3 8 G 1 2 35 20 80 90 40 70 26 100 M6 12 1 8 23 30 28 38 0 4 G 1 2 35 28 90 100 38 80 46 115 M8 15 2 7 G 3 4 40 33 52 1 2 G 1 2 35 28 100 110 72 84 46 130 M8 15 3 6 G 3 4 40 33 52 G...

Страница 19: ...Max operating pressure 420 bar 6000 psi Medium temperature 40 120 C 40 F 248 F Ambient temperature 20 50 C 4 F 122 F Viscosity range 5 100 000 mm2 s Installation position any Flow direction any Runni...

Страница 20: ...bplate APG 10 APG 10 SW0N 1 Dimensions in mm Dimensions in mm Weight 70kg Connection surface VSI 10 View X Weight 21kg Weight 30kg Connection surface VSI 10 View X View X Lifting eye bolt Bar handle L...

Страница 21: ...21 Type key Flow meters VSI Type Codes VSI interpolation Interior Example...

Страница 22: ...22 Subplates AP Preamplifier block wiring diagram Plug assignment C C Example...

Страница 23: ...olisant le capteur volum trique sont mettre en lieu et place des ast risques Ils n ont aucune influence sur l EMV auf die sich diese Erkl rung bezieht mit den folgenden Normen oder normativen Dokument...

Страница 24: ...24 04 09 www plakart de VSE Volumentechnik GmbH H nnestra e 49 58809 Neuenrade Germany Phone 49 0 2394 61630 Fax 49 0 2394 61633 E Mail info vse flow com Internet www vse flow com...

Страница 25: ...s with change of the direction of rotation Suitable for conversion of quadrature signals A B as well as single channel signals with all HTL or TTL or RS422 formats and levels Suitable for conversion o...

Страница 26: ...is a must to observe all general and also all country specific and application specific safety standards When this unit is used with applications where failure or maloperation could cause damage to a...

Страница 27: ...lse levels and symmetric asymmetric input formats 11 4 3 Analogue output format 12 4 4 Selecting the RS232 or the RS485 serial interface 13 4 5 Teach function Test function Loading of default settings...

Страница 28: ...ential advantages of FU252 compared to FU251 are Maximum frequency 1 MHz instead of 500 kHz Total conversion time in out 1 msec this was no more assured with FU251 after the modifications necessary fo...

Страница 29: ...t RS422 The unit can convert the following formats to analogue and serial a Quadrature signals with a 90 phase displacement Polarity of the analogue output and sign of the serial data depend on the di...

Страница 30: ...The FU252 converter can accept the following impulse sources Quadrature encoders with HTL level output 10 30 V and either PNP or NPN or Push Pull or NAMUR characteristics using A and B outputs wit 90...

Страница 31: ...Lower input voltage and load of the aux output will increase the consumption accordingly 1 2 3 4 5 6 7 8 9 10 11 12 Voltage output 10V TTL input B HTL n c TTL input B HTL input B GND for analogue sig...

Страница 32: ...ut frequency To use sensors with 2 wire NAMUR characteristics set the inputs to HTL and NPN connect the positive wire of the sensor to the corresponding input and the negative wire to GND 3 4 Analogue...

Страница 33: ...rs and variables by PC according to need 5 4 3 2 1 9 8 7 6 GND int TxD RxD RS232 5V T T R R RS485 Sub D 9 female on unit site 5 4 3 2 1 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1 9 8 7 6 GN...

Страница 34: ...after cycling the power supply of the unit 4 1 Basic mode of operation Positions 2 3 and 4 of switch DIL1 on the top side allow setting the following operation modes Top side Switch DIL1 Teach button...

Страница 35: ...erted signals Where however you read A and A or B and B this indicates that the inputs expect symmetric differential signals according to RS422 standard i e it is mandatory to apply also the inverted...

Страница 36: ...TTL level B and B x x 0 1 1 1 HTL level NPN A TTL level B x x 1 0 0 0 HTL level PNP A TTL level B and B x x 1 0 0 1 HTL level PNP A TTL level B x x 1 0 1 0 HTL level PNP A HTL level NPN B x x 1 0 1 1...

Страница 37: ...oading of default settings Positions 6 and 8 of switch DIL1 allow to set the following functions DIL1 Function 6 8 x 0 Unit returns to the factory default parameters after power down x 1 Unit always k...

Страница 38: ...ing two independent frequencies again the yellow LED will be lit when a frequency has been detected on input B With operation modes using input B to define the direction and polarity quadrature or sta...

Страница 39: ...speed where you expect full scale analogue output Press the teach button once more This stores your maximum frequency definition and the LED will switch off After this Teach procedure your analogue o...

Страница 40: ...2 Connect your PC to the converter using a serial RS232 cable like shown in section 3 5 of this manual Make sure the cable only uses pins 2 3 and 5 Pins 2 and 3 must be crossed Run the OS3 x software...

Страница 41: ...e indicator boxes Status A and Status B especially serve to check the input frequencies Status A will be lit while a frequency is detected on input A except with operating mode B single Status B will...

Страница 42: ...he shortest conversion time possible General Setting Direction Filter A B Linearisation Mode This parameter allows inversion of the polarity of the analogue output Important only with operating modes...

Страница 43: ...ncies 100 Hz will produce zero output Digital filter for smoothing the analogue output with unstable frequencies on input A 00 Filter off immediate response to changes of the input signal 01 Filter wi...

Страница 44: ...tant 6 250 msec etc 07 Filter with time constant 100 msec slow response Please note These time constants are valid for sampling time settings of 1 msec and higher sampling times will correspondingly i...

Страница 45: ...V Encoder Min Max Output Mode 0 10V 0 10V Encoder Min Max V Output Mode 1 0 10V Min Max mA Encoder Output Mode 2 4 20 mA mA Encoder Max Min Output Mode 3 0 20 mA Analogue Offset Analogue Gain Paramete...

Страница 46: ...e addressing Setting Baud Rate 0 9600 1 4800 2 2800 3 1200 4 600 5 19 200 6 38 400 Factory setting Setting data bits Parity stop bits 0 7 even 1 1 7 even 2 2 7 odd 1 3 7 odd 2 4 7 none 1 5 7 none 2 6...

Страница 47: ...d under Timer control as described subsequently As soon as the unit receives a character it automatically switches over to PC Mode and operates according to protocol When for a period of 20 sec no cha...

Страница 48: ...t These settings provide a final scaling of the calculation result from the combined operation modes A B Linearisation Setting P1_x bis P16_x P1_y bis P16_y Interpolation points for linearisation init...

Страница 49: ...ings must be in of full scale Now enter the attached values to registers P1 y to P16 y These are the values that the analogue output will generate instead of the x values i e P2 y will substitute P2 x...

Страница 50: ...ope For this select TOOLS then TEST and there Analogue Voltage Function The unit will now simulate a repeating frequency course over the full range and generate the analogue signal accordingly When yo...

Страница 51: ...the definition window You will find a list with all accessible parameters and actual values where however the texts may be unfounded With FU252 only the following register codes make sense C1 C2 Descr...

Страница 52: ...onding text field The same text will now appear in the Text Editor window below the parameter window Rename the text according to your desire and press ENTER to store the new text in the corresponding...

Страница 53: ...ddress High Byte AD2 unit address Low Byte C1 register code High Byte C2 register code Low Byte ENQ control character Hex 05 The following example shows the request string for readout of the actual fr...

Страница 54: ...FU25201a_e_A5 Nov 07 Page 30 33 11 Dimensions 74 mm 2 913 91mm 3 583 40 mm 1 575 79 mm 3 110 Front view Side view Top view...

Страница 55: ...10V min pulse duration 5 msec Analogue outputs 10V external load 5 kOhms 0 20 mA 4 20 mA load 270 Ohms Accuracy 0 1 Step width of analogue signals 1 25mV 2 5uA Analogue resolution 14 bits 10V 20mA res...

Страница 56: ...0 6 FrequencyControl D2 0 15 0 7 InputFilter D3 0 3 10 8 Channel A Setting SamplingTimeA 33 0 9999 0 9 WaitTimeA 09 1 999 100 10 FilterA D6 0 7 0 11 ResetValueA D7 10000000 10000000 0 12 Channel B Se...

Страница 57: ...100000 45 P5 y A9 100000 100000 100000 46 P6 x B0 100000 100000 100000 47 P6 y B1 100000 100000 100000 48 P7 x B2 100000 100000 100000 49 P7 y B3 100000 100000 100000 50 P8 x B4 100000 100000 100000...

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